Dogcows Code - chaz/openbox/blob - src/python.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #include "python.hh"
   4 #include "openbox.hh"
   5 #include "actions.hh"
   6 #include "python.hh"
   7 #include "bindings.hh"
   8 #include "otk/display.hh"
   9 #include "otk/util.hh"
  10
  11 extern "C" {
  12 // The initializer in openbox_wrap.cc
  13 extern void init_ob(void);
  14 }
  15
  16 namespace ob {
  17
  18 static PyObject *obdict = NULL;
  19
  20 void python_init(char *argv0)
  21 {
  22   // start the python engine
  23   Py_SetProgramName(argv0);
  24   Py_Initialize();
  25   // initialize the C python module
  26   init_ob();
  27   // include the openbox directories for python scripts in the sys path
  28   PyRun_SimpleString("import sys");
  29   PyRun_SimpleString(const_cast<char*>(("sys.path.append('" +
  30                                         otk::expandTilde("~/.openbox/python") +
  31                                         "')").c_str()));
  32   PyRun_SimpleString("sys.path.append('" SCRIPTDIR "')");
  33   PyRun_SimpleString("import ob;");
  34   // set up convenience global variables
  35   PyRun_SimpleString("ob.openbox = ob.Openbox_instance()");
  36   PyRun_SimpleString("ob.display = ob.Display_instance()");
  37
  38   // set up access to the python global variables
  39   PyObject *obmodule = PyImport_AddModule("config");
  40   obdict = PyModule_GetDict(obmodule);
  41 }
  42
  43 void python_destroy()
  44 {
  45   Py_DECREF(obdict);
  46 }
  47
  48 bool python_exec(const std::string &path)
  49 {
  50   FILE *rcpyfd = fopen(path.c_str(), "r");
  51   if (!rcpyfd) {
  52     printf("failed to load python file %s\n", path.c_str());
  53     return false;
  54   }
  55   PyRun_SimpleFile(rcpyfd, const_cast<char*>(path.c_str()));
  56   fclose(rcpyfd);
  57   return true;
  58 }
  59
  60 bool python_get_long(const char *name, long *value)
  61 {
  62   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  63   if (!(val && PyInt_Check(val))) return false;
  64
  65   *value = PyInt_AsLong(val);
  66   return true;
  67 }
  68
  69 bool python_get_string(const char *name, otk::ustring *value)
  70 {
  71   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  72   if (!(val && PyString_Check(val))) return false;
  73
  74   *value = PyString_AsString(val);
  75   return true;
  76 }
  77
  78 bool python_get_stringlist(const char *name, std::vector<otk::ustring> *value)
  79 {
  80   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  81   if (!(val && PyList_Check(val))) return false;
  82
  83   for (int i = 0, end = PyList_Size(val); i < end; ++i) {
  84     PyObject *str = PyList_GetItem(val, i);
  85     if (PyString_Check(str))
  86       value->push_back(PyString_AsString(str));
  87   }
  88   return true;
  89 }
  90
  91 // ************************************* //
  92 // Stuff for calling from Python scripts //
  93 // ************************************* //
  94
  95 PyObject *mbind(const std::string &button, ob::MouseContext::MC context,
  96                 ob::MouseAction::MA action, PyObject *func)
  97 {
  98   if (!PyCallable_Check(func)) {
  99     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 100     return NULL;
 101   }
 102
 103   if (!ob::openbox->bindings()->addButton(button, context,
 104                                           action, func)) {
 105     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 106     return NULL;
 107   }
 108   Py_INCREF(Py_None); return Py_None;
 109 }
 110
 111 PyObject *ebind(ob::EventAction::EA action, PyObject *func)
 112 {
 113   if (!PyCallable_Check(func)) {
 114     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 115     return NULL;
 116   }
 117
 118   if (!ob::openbox->bindings()->addEvent(action, func)) {
 119     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 120     return NULL;
 121   }
 122   Py_INCREF(Py_None); return Py_None;
 123 }
 124
 125 PyObject *kgrab(int screen, PyObject *func)
 126 {
 127   if (!PyCallable_Check(func)) {
 128     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 129     return NULL;
 130   }
 131
 132   if (!ob::openbox->bindings()->grabKeyboard(screen, func)) {
 133     PyErr_SetString(PyExc_RuntimeError,"Unable to grab keybaord.");
 134     return NULL;
 135   }
 136   Py_INCREF(Py_None); return Py_None;
 137 }
 138
 139 PyObject *kungrab()
 140 {
 141   ob::openbox->bindings()->ungrabKeyboard();
 142   Py_INCREF(Py_None); return Py_None;
 143 }
 144
 145 PyObject *kbind(PyObject *keylist, ob::KeyContext::KC context, PyObject *func)
 146 {
 147   if (!PyCallable_Check(func)) {
 148     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 149     return NULL;
 150   }
 151   if (!PyList_Check(keylist)) {
 152     PyErr_SetString(PyExc_TypeError, "Invalid keylist. Not a list.");
 153     return NULL;
 154   }
 155
 156   ob::Bindings::StringVect vectkeylist;
 157   for (int i = 0, end = PyList_Size(keylist); i < end; ++i) {
 158     PyObject *str = PyList_GetItem(keylist, i);
 159     if (!PyString_Check(str)) {
 160       PyErr_SetString(PyExc_TypeError,
 161                      "Invalid keylist. It must contain only strings.");
 162       return NULL;
 163     }
 164     vectkeylist.push_back(PyString_AsString(str));
 165   }
 166
 167   (void)context; // XXX use this sometime!
 168   if (!ob::openbox->bindings()->addKey(vectkeylist, func)) {
 169     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 170     return NULL;
 171   }
 172   Py_INCREF(Py_None); return Py_None;
 173 }
 174
 175 PyObject *kunbind(PyObject *keylist, PyObject *func)
 176 {
 177   if (!PyList_Check(keylist)) {
 178     PyErr_SetString(PyExc_TypeError, "Invalid keylist. Not a list.");
 179     return NULL;
 180   }
 181   if (!PyCallable_Check(func)) {
 182     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 183     return NULL;
 184   }
 185
 186   ob::Bindings::StringVect vectkeylist;
 187   for (int i = 0, end = PyList_Size(keylist); i < end; ++i) {
 188     PyObject *str = PyList_GetItem(keylist, i);
 189     if (!PyString_Check(str)) {
 190       PyErr_SetString(PyExc_TypeError,
 191                      "Invalid keylist. It must contain only strings.");
 192       return NULL;
 193     }
 194     vectkeylist.push_back(PyString_AsString(str));
 195   }
 196
 197   if (!ob::openbox->bindings()->removeKey(vectkeylist, func)) {
 198       PyErr_SetString(PyExc_RuntimeError, "Could not remove callback.");
 199       return NULL;
 200   }
 201   Py_INCREF(Py_None); return Py_None;
 202 }
 203
 204 void kunbind_all()
 205 {
 206   ob::openbox->bindings()->removeAllKeys();
 207 }
 208
 209 void set_reset_key(const std::string &key)
 210 {
 211   ob::openbox->bindings()->setResetKey(key);
 212 }
 213
 214 PyObject *send_client_msg(Window target, Atom type, Window about,
 215                           long data, long data1, long data2,
 216                           long data3, long data4)
 217 {
 218   XEvent e;
 219   e.xclient.type = ClientMessage;
 220   e.xclient.format = 32;
 221   e.xclient.message_type = type;
 222   e.xclient.window = about;
 223   e.xclient.data.l[0] = data;
 224   e.xclient.data.l[1] = data1;
 225   e.xclient.data.l[2] = data2;
 226   e.xclient.data.l[3] = data3;
 227   e.xclient.data.l[4] = data4;
 228
 229   XSendEvent(**otk::display, target, false,
 230              SubstructureRedirectMask | SubstructureNotifyMask,
 231              &e);
 232   Py_INCREF(Py_None); return Py_None;
 233 }
 234
 235 void execute(const std::string &bin, int screen)
 236 {
 237   if (screen >= ScreenCount(**otk::display))
 238     screen = 0;
 239   otk::bexec(bin, otk::display->screenInfo(screen)->displayString());
 240 }
 241
 242 }